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Product details
Wilwood's Bronco front hat uses a 4.67-inch register and eight-bolt rotor ring. Confirm the 1.450-inch offset against the installed hub assembly. From Camarillo, California, Wilwood Engineering designs and manufactures disc brake systems and their components. Founded by Bill Wood in 1977, it serves street-performance, motorsport and specialized applications with master cylinders, calipers, brake rotors, valves, fittings and brake lines. All components must suit the requirements of the complete system.
Technical Details
- Manufacturer part number: 170-13313
- Hub-side hole clearance diameter(s): 0.640 inches; these are clearance dimensions, not wheel-stud thread sizes
- Manufacturer-listed attachment hardware reference: 230-12120; verify the specific rotor and attachment arrangement before ordering hardware
- Component: Short-Offset Brake Rotor Hat
- Material: Aluminum
- Surface finish: Black E-Coat
- Rotor mounting method: Fixed Mount
- Position in the specified brake assembly: Front
- Hat offset: 1.450 inch
- Rotor attachment interface: 8 x 7.00 inches; rotor attachment, separate from the hub flange
- Hub-flange mounting/clearance pattern(s): 5 x 5.50 inches; verify the actual hub and wheel-stud clearance
- Center register diameter: 4.67 inches
- Rotor mounting hole/thread designation: 5/16-18
- Internal clearance diameter: 5.90 inches
- Mounting-face thickness: 0.30 inches
Fitment & Compatibility
Match this component to the documented Ford Bronco brake conversions. Confirm the mounting stack, center location and rotor hardware; vehicle model alone does not establish compatibility with a modified brake system. Select the rotor and attachment hardware separately for the documented assembly. Follow the installation drawing for engagement and clearance at every mounting point.
Manufacturer Reference
Wilwood component specifications and dimensions
PMB Performance has over 20 years of brake-parts experience. Send the installed component details if you need help checking this replacement.
